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Level 1 Alert lasting longer than 20 minutes or with odors
Notification Only - Flaring incident at Chevron Refinery in Richmond that may be Seen by the surrounding community.
November 28, 2023, 11:58 am
Level 1 Alert lasting longer than 20 minutes or with odors
Notification Only - Flaring incident at Marathon Martinez that may be Seen by the surrounding community.
November 29, 2023, 3:00 am

Frequently Asked Questions (FAQs)

  1. Sewage, swimming pools, restaurants/mobile food preparation vehicles, monitoring wells, groundwater testing, drilling, biohazard/needle disposal:
    • Please contact the Environment Health Office at 925-608-5500
  2. Garbage strewn about, bags of garbage, debris. Depending on incorporated or not incorporated county property, call local garbage company or county public works
    Garbage companies:
    • BFI (Antioch, Pacheco, Rodeo, Martinez, Pleasant Hill, bay Point, Benicia, Clyde) 925-685-4716.
    • Bayview Refuse (Kensington0 925-237-4617
    • Brentwood Disposal (Brentwood) 925-634-6900
    • Valley Waste Management (Alamo, Danville, Lafayette, Walnut Creek, San Ramon, Moraga, Orinda) 925- 603-1144
    • Richmond Sanitary District (El Sobrante, Hercules, Pinole, Richmond, San Pablo) 510-235-2212
    • Pacific Rim (Clayton) 925-372-8524
    • El Cerrito 510-215-4359
    • Concord Disposal (Concord, Pittsburg, Oakley, Discovery Bay) 925-682-9113
    • County Public Works 925-313-2000
  3. Bad smell in air
    • Bay Area Regional Air Quality Board Complaints: 800-334-6367
  4. Rats, Mice, Raccoons, Bats, Skunks, etc.
    • Mosquito and Vector Control District 925-685-9301
  5. Mold problems
  6. Where can I take my paint cans, fluorescent light bulbs, used motor oil, batteries, antifreeze, pesticides, etc.
    Household Hazardous Waste Collection Sites:
    • East County (Bay Point, Antioch, Pittsburg, Oakley, Discovery Bay, Brentwood) 925-756-1990
    • West County (Rodeo, Hercules, Pinole, El Sobrante, San Pablo, Richmond, El Cerrito, Kensington, Crockett, Port Costa) 888-412-9277
    • Central County (San Ramon, Blackhawk, Danville, Alamo, Orinda, Walnut Creek, Lafayette, Moraga, Pleasant Hill, Concord, Clayton, Clyde, Martinez) 800-646-1431
  7. Disposal Of Household Medications
  8. Where can I take my TV, computer, stove, microwave, hot water heater, air conditioner, etc?
    • Contra Costa Transfer and Recovery Station: 925-313-8900 (possible fee)
    • Community Development Dept. Solid Waste Hotline: 800-750-4096 (possible fee)
  9. Where can I dispose of Treated Wood Waste (TWW) such as railroad ties and pressure treated wood? Updated 3/18/2021
    • TWW is considered a hazardous waste and must be disposed of properly. The previous exemption that allowed some landfills to accept TWW expired at the beginning of the year (January 1, 2021). Legislation has been proposed to extend the alternative management standards that expired; however, in the interim, landfills and transfer stations can apply to the State for a variance.
    • The following landfills currently have a variance. Please contact the landfill before taking TWW to them for disposal. Specific rules for commercial and residential TWW disposal will apply.
      • Keller Canyon Landfill, Pittsburg – 925-232-2924
      • Vasco Road Landfill, Livermore – 925-453-3620
      • Altamont Landfill, Livermore – 866-909-4458
    • At this time, Household Hazardous Waste facilities are not able to accept Treated Wood Waste
    • For more information please visit the Department of Toxic Substances Control's website Treated Wood Waste (TWW) | Department of Toxic Substances Control (
  10. Where to take Household Hazardous Waste
    There are main locations:
    • East County - 2500 Pittsburg/Antioch Highway, Antioch, CA 94509, 925-759-1991
    • Central County - Central Sanitary District, 4797 Imhoff Place, Martinez, CA 94553, 800-646-1431
    • West County - 101 Pittsburg Avenue, Richmond, CA, 888-412-9277
  11. What are my rights as a renter regarding mold, chemicals, etc?